1140041550 has 24 divisors (see below), whose sum is σ = 2827303416. Its totient is φ = 304011040.

The previous prime is 1140041549. The next prime is 1140041557. The reversal of 1140041550 is 551400411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140041557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3799989 + ... + 3800288.

It is an arithmetic number, because the mean of its divisors is an integer number (117804309).

Almost surely, 2^1140041550 is an apocalyptic number.

1140041550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140041550 is an abundant number, since it is smaller than the sum of its proper divisors (1687261866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140041550 is a wasteful number, since it uses less digits than its factorization.

1140041550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600292 (or 7600287 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1140041550 is about 33764.5013290586. The cubic root of 1140041550 is about 1044.6566181755.

Adding to 1140041550 its reverse (551400411), we get a palindrome (1691441961).

The spelling of 1140041550 in words is "one billion, one hundred forty million, forty-one thousand, five hundred fifty".